Young people may try a number of substances, including alcohol, household chemicals (inhalants), prescription and over-the-counter medicines, illegal drugs, and cigarettes. They use alcohol more than any other substance. Marijuana is the illegal drug that young people use most often. Young people use these substances for many of the same reasons that adults doâto relax or feel good. But they may also have other reasons for using substances.
the paramecium uses cilia, which are tiny hair-like structures, for locomotion. on the other hand, amoeba uses pseudopodia, which are extensions of the cell's cytoplasm, to mo â¦ ve.+ 2 others found this useful.hey move with the help of microscopic hair-like structures called cilia, which act like oars to push them through the water. They swim by rotating slowly and changing directions often. If the Paramecium comes upon an obstacle, it stops, swims backwards, and then angles itself forward on a slightly different course.
Sensory neurons have long dendrites and short axons. The dendrites of a sensory neuron are found outside the spinal cord in the skin, muscle or gland of their particular sensory receptor. Their axons end in the spinal cord where they connect with the dendrites of other neurons. 2. Motor neurons send impulses from the CNS to the muscle, organ or gland they command to take action. Motor neurons have short dendrites and long axons. Their dendrites and cell body are in the spinal cord and their axons are found in the muscle, organ or gland that they innervate. They can be over one metre long. 3.